CN210449363U - Slag discharging and breaking device for utilizing waste heat of blast furnace slag - Google Patents
Slag discharging and breaking device for utilizing waste heat of blast furnace slag Download PDFInfo
- Publication number
- CN210449363U CN210449363U CN201920410326.XU CN201920410326U CN210449363U CN 210449363 U CN210449363 U CN 210449363U CN 201920410326 U CN201920410326 U CN 201920410326U CN 210449363 U CN210449363 U CN 210449363U
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- Prior art keywords
- shell
- blast furnace
- furnace slag
- cooling water
- waste heat
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- 239000002893 slag Substances 0.000 title claims abstract description 54
- 238000007599 discharging Methods 0.000 title claims abstract description 24
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims 1
- 238000002309 gasification Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000926 A-3 tool steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model provides a slag discharging and breaking device for utilizing waste heat of blast furnace slag, which comprises a driving device and a breaking device, wherein the breaking device comprises a shell, the upper end of the shell is a feed inlet, and the lower end of the shell is a discharge outlet; an impeller rotor is arranged in the inner cavity of the shell and is connected with a driving device; each blade of the impeller rotor is provided with a hammer head; the reloading device is arranged on the shell; the utility model discloses make the blast furnace slag granule that falls down in the chilling gasification device get into the feed inlet of arranging the sediment disintegrating slag device, hit by the tup of high-speed rotation and smash, heat transfer device on the casing can absorb the heat of blast furnace slag to improve the heat utilization efficiency of liquid blast furnace slag.
Description
Technical Field
The utility model belongs to blast furnace slag sensible heat recovery utilizes the field, relates to a sediment disintegrating slag device of blast furnace slag waste heat utilization.
Background
The crushers are various in types and widely applied, and include a jaw crusher, an impact crusher, a hammer crusher, an impact crusher, a cone crusher, a combined crusher, a double-roll crusher and the like, and are generally suitable for normal temperature and no crusher suitable for high temperature of 800 ℃.
The impeller feeder is the main equipment for dust removal equipment to discharge dust, supply air and other equipment to feed, and is suitable for powdery materials and granular materials.
The impeller feeder is made of cast iron, A3 steel plate and stainless steel according to material requirements. Wherein the cast iron is of a common type, the steel plate is of a welding type, and the stainless steel is of a high temperature resistant or corrosion resistant type. The impeller feeder is an important component in ash discharge processes of various dust removing devices, and ensures the functions of sealing a bin and continuously or discontinuously discharging ash; the ash column with a certain height is reserved in the ash bucket of the high negative pressure electric dust collector, so that the sealing function is remarkable. The impeller feeder is used as a special discharging device and plays a great role in cleaning and washing work.
The impeller feeder is composed of a motor, a shell, a rotor, a shaft, a gland, an impeller, a speed reducer, a base and the like, and by utilizing the mechanical rotation principle of the impeller, materials in a bin at the upper part fall into gaps among blades and are uniformly discharged from the lower part of the bin at the upper part of the shell along with the rotation of the blades. The impeller feeder is a slag discharge device used at normal temperature. However, the prior impeller feeder cannot normally work at a high temperature of 800 ℃, and the temperature of blast furnace slag is as high as about 800 ℃, so the prior impeller feeder cannot normally work at the high temperature of 800 ℃.
The search does not disclose the technical scheme of the slag discharging and crushing device for utilizing the waste heat of the blast furnace slag.
Disclosure of Invention
An object of the utility model is to provide a sediment disintegrating slag device of arranging of blast furnace slag waste heat utilization solves the technical problem that exists among the prior art.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
the utility model provides a slag discharging and breaking device for utilizing waste heat of blast furnace slag, which comprises a driving device and a breaking device, wherein the breaking device comprises a shell, the upper end of the shell is a feed inlet, and the lower end of the shell is a discharge outlet; an impeller rotor is arranged in the inner cavity of the shell and is connected with a driving device; each blade of the impeller rotor is provided with a hammer head; the reloading device is mounted on the housing.
Preferably, the driving device comprises a motor, a speed reducer, a coupler and a transmission shaft, wherein an output shaft of the motor is connected with the transmission shaft sequentially through the speed reducer and the coupler, a free end of the transmission shaft penetrates through an inner cavity of the shell and is arranged on the outer side of the shell, and the impeller rotor is sleeved on the transmission shaft.
Preferably, the transmission shaft is characterized in that two ends of the transmission shaft are respectively sleeved with a rolling bearing, the rolling bearing is sleeved with a bearing cover, and the bearing cover is arranged on the bearing seat.
Preferably, the heat exchange device comprises two cooling water jacket plates, the two cooling water jacket plates are sleeved on the transmission shaft, are respectively arranged at two ends of the shell and are welded with the shell; a cooling water channel is formed between the cold water jacket plate and the shell; the cooling water channel is connected with an evaporator.
Preferably, the cold water jacket plate is provided with a low-temperature cooling water inlet and a high-temperature cooling water outlet, wherein the low-temperature cooling water inlet is connected with a cooling water pipeline through a first flange; the high-temperature water outlet of the cooling water is connected with the evaporator through a third flange.
Preferably, the two cold water jacket plates are respectively connected with a gland, and the glands are sleeved on the transmission shaft.
Preferably, a grate is arranged at the discharge port of the shell, is arranged in the inner cavity of the shell and is arranged below the impeller rotor in the radial direction.
Preferably, an electric valve is arranged at the discharge port of the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a slag discharging and crushing device for utilizing blast furnace slag waste heat, blast furnace slag particles falling from a chilling gasification device enter a feed inlet of the slag discharging and crushing device and are beaten and crushed by a hammer head rotating at high speed, a heat exchange device on a shell can absorb heat of blast furnace slag, and a speed reducer and a motor are not influenced by high temperature through the heat exchange device; meanwhile, the heat exchange device can absorb the heat of the blast furnace slag, so that the heat utilization efficiency of the liquid blast furnace slag is improved.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
the device comprises a three-phase asynchronous motor 1, a three-phase asynchronous motor 2, a speed reducer 3, a coupling 4, a transmission shaft 5, a first flange 6, a second flange 7, an impeller rotor 8, a shell 9, a cooling water sleeve plate 10, a third flange 11, a rubber asbestos packing 12, a bearing cover 13, a rolling bearing 14, an end cover 15, a bearing seat 16, a gland 17, a base 18, a base 19, a bolt 20, a hammer 21, a grate 22 and an electric valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a slag discharging and breaking device for utilizing waste heat of blast furnace slag, including three-phase asynchronous motor 1, speed reducer 2, shaft coupling 3, transmission shaft 4, first flange 5, second flange 6, impeller rotor 7, casing 8, cooling water sleeve plate 9, third flange 10, rubber asbestos packing 11, bearing cap 12, antifriction bearing 13, end cover 14, bearing seat 15, gland 16, first base 17, second base 18, bolt 19, tup 20, grate 21 and motorised valve 22, wherein, the output shaft of three-phase asynchronous motor 1 is connected with speed reducer 2, and the output shaft of speed reducer 2 is connected with shaft coupling 3; the coupling 3 is connected with the transmission shaft 4; the transmission shaft 4 is sleeved with an impeller rotor 7; the impeller rotor 7 is mounted within a housing 8.
Meanwhile, each blade of the impeller rotor 7 is provided with a hammer 20, and each hammer 20 is fixed through a bolt 19.
The impeller rotor 7 drives the hammer 20 to rotate together when rotating, and then blast furnace slag is crushed.
The grate 21 is installed in the inner cavity of the shell 8 and is arranged below the impeller rotor 7 in the radial direction.
The shell 8 is provided with a feeding hole and a discharging hole, wherein the feeding hole and the discharging hole of the shell 8 are both provided with a second flange 6, and the grate 21 is arranged at the discharging hole of the shell 8.
Two cooling water jacket plates 9 are arranged, are sleeved on the transmission shaft 4, are respectively arranged at two ends of the shell 8 and are welded with the shell 8; meanwhile, the two cooling water jacket plates 9 are respectively connected with two ends of the two second flanges 6 in a welding manner.
A cavity formed between the cold water jacket plate 9 and the shell 8 is provided with a low-temperature cooling water inlet and a high-temperature cooling water outlet, wherein the low-temperature cooling water inlet is connected with a cooling water pipeline, and the high-temperature cooling water outlet is connected with an evaporator.
Two pressing covers 16 are arranged, are sleeved on the transmission shaft 4 and are connected with the cooling water sleeve plate 9;
a rubber asbestos packing 11 for sealing is arranged between the gland 16 and the transmission shaft 4.
Two ends of the transmission shaft 4 are respectively sleeved with a rolling bearing 13, the rolling bearing 13 is sleeved with a bearing cover 12, and the bearing cover 12 is arranged on a bearing seat 15; two bearing blocks 15 are mounted on the first base 17 and the second base 18, respectively.
The end of the free end of the transmission shaft 4 is also sleeved with an end cover 14 for pressing the rolling bearing 13.
The speed reducer 2 is mounted on the second base 18.
And cooling water pipelines are respectively arranged on the bearing cover 12 and the bearing seat 15 and are used for reducing the temperature of the rolling bearing 13, the speed reducer 2 and the motor 1.
The electric valve 22 is arranged at the discharge hole of the shell 8 and plays a role in discharging and closing.
Wherein, the impeller rotor 7 is made of ZGMn13-1 wear-resistant steel;
the grate 21 is made of ZGMn13-1 wear-resistant steel;
the shell 8 is made of 316L stainless steel;
the second flange 6 is made of Q235B steel; the bearing cover 12 is made of 45# steel;
the bearing housing 15 is made of 45# steel.
The first flange 5 and the third flange 10 are respectively arranged on the two cold water jacket plates 9 and are respectively used for connecting the cooling water pipe and the evaporator.
The working process is as follows:
blast furnace slag particles falling from the chilling gasification device enter an inlet flange 6 of the slag discharging and breaking device, a hammer head 20 is driven to rotate at a high speed to break the blast furnace slag through the high-speed rotation of an impeller rotor 7, cooling water is introduced into a jacket on the outer side of a shell 8, cooling water is also introduced into a bearing seat and a bearing cover, the heat of the blast furnace slag is transferred to the cooling water in the jacket, and a bearing, a speed reducer and a motor are not influenced by high temperature. And can absorb the heat of the blast furnace slag, and the heated cooling water enters the evaporator. Thereby improving the heat utilization efficiency of the liquid blast furnace slag. The discharge of the blast furnace slag particles is controlled by controlling the opening and closing of the electric valve.
Claims (8)
1. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag is characterized by comprising a driving device, a heat exchange device and a crushing device, wherein the crushing device comprises a shell (8), the upper end of the shell (8) is provided with a feeding hole, and the lower end of the shell is provided with a discharging hole; an impeller rotor (7) is arranged in the inner cavity of the shell (8), and the impeller rotor (7) is connected with a driving device; each blade of the impeller rotor (7) is provided with a hammer head (20); the reloading device is mounted on the housing (8).
2. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag according to claim 1, wherein the driving device comprises a motor (1), a speed reducer (2), a coupler (3) and a transmission shaft (4), wherein an output shaft of the motor (1) is connected with the transmission shaft (4) sequentially through the speed reducer (2) and the coupler (3), the free end of the transmission shaft (4) penetrates through an inner cavity of the shell (8) and is arranged on the outer side of the shell (8), and an impeller rotor (7) is sleeved on the transmission shaft (4).
3. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag according to claim 2, wherein two ends of the transmission shaft (4) are respectively sleeved with a rolling bearing (13), the rolling bearing (13) is sleeved with a bearing cover (12), and the bearing cover (12) is arranged on a bearing seat (15).
4. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag according to the claim 2 or 3, wherein the heat exchange device comprises two cooling water jacket plates (9), the two cooling water jacket plates (9) are sleeved on the transmission shaft (4) and are respectively arranged at the two ends of the shell (8) and are welded with the shell (8); a cooling water channel is formed between the cold water jacket plate (9) and the shell (8); the cooling water channel is connected with an evaporator.
5. The slag discharging and breaking device for utilizing the waste heat of the blast furnace slag according to claim 4, wherein a cooling water low-temperature water inlet and a cooling water high-temperature water outlet are formed in the cold water jacket plate (9), wherein the cooling water low-temperature water inlet is connected with a cooling water pipeline through a first flange (5); the high-temperature water outlet of the cooling water is connected with the evaporator through a third flange (10).
6. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag according to claim 5, wherein the two cold water cooling sleeve plates (9) are respectively connected with a gland (16), and the glands (16) are sleeved on the transmission shaft (4).
7. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag according to claim 1, wherein a grate (21) is arranged at a discharge port of the shell (8), and the grate (21) is installed in an inner cavity of the shell (8) and is arranged below the impeller rotor (7) in the radial direction.
8. The slag discharging and crushing device for utilizing the waste heat of the blast furnace slag as claimed in claim 1 or 7, wherein an electric valve (22) is arranged at a discharge port of the shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410326.XU CN210449363U (en) | 2019-03-28 | 2019-03-28 | Slag discharging and breaking device for utilizing waste heat of blast furnace slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410326.XU CN210449363U (en) | 2019-03-28 | 2019-03-28 | Slag discharging and breaking device for utilizing waste heat of blast furnace slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210449363U true CN210449363U (en) | 2020-05-05 |
Family
ID=70429443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410326.XU Active CN210449363U (en) | 2019-03-28 | 2019-03-28 | Slag discharging and breaking device for utilizing waste heat of blast furnace slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210449363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277204A (en) * | 2020-09-18 | 2022-04-05 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
-
2019
- 2019-03-28 CN CN201920410326.XU patent/CN210449363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277204A (en) * | 2020-09-18 | 2022-04-05 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
| CN114277204B (en) * | 2020-09-18 | 2022-12-20 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee before: SHAANXI YUTENG INDUSTRY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710018 room 604, floor 6, Zhonggang International Building B, Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee before: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. |